{"id":6702,"date":"2021-02-04T07:38:18","date_gmt":"2021-02-04T07:38:18","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6702"},"modified":"2025-11-24T07:50:08","modified_gmt":"2025-11-24T07:50:08","slug":"como-testar-se-ha-corrosao-interna-em-acessorios-para-tubos-de-aco-inoxidavel","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/como-testar-se-ha-corrosao-interna-em-acessorios-para-tubos-de-aco-inoxidavel\/","title":{"rendered":"Como testar se h\u00e1 corros\u00e3o interna de conex\u00f5es de tubos de a\u00e7o inoxid\u00e1vel"},"content":{"rendered":"

Dois m\u00e9todos para testar a corros\u00e3o interna<\/strong> do Acess\u00f3rios para tubos<\/strong><\/h2>\n\n\n\n

Para todos os tipos de tubos e acess\u00f3rios de a\u00e7o inoxid\u00e1vel<\/a>, a corros\u00e3o interna \u00e9 um fen\u00f4meno muito comum. Quando o seu interior corro\u00eddo, a espessura da parede das conex\u00f5es de tubos se tornar\u00e1 mais fina, e po\u00e7os e manchas de a\u00e7o aparecer\u00e3o na superf\u00edcie, o que afetar\u00e1 a vida \u00fatil das conex\u00f5es e trar\u00e1 problemas de seguran\u00e7a.<\/p>\n\n\n\n

\"Corros\u00e3o<\/figure>\n\n\n\n

Atualmente, os m\u00e9todos de teste mais amplamente usados para conex\u00f5es de tubos de a\u00e7o inoxid\u00e1vel s\u00e3o vazamento de fluxo magn\u00e9tico e teste ultrass\u00f4nico.<\/p>\n\n\n\n

Teste Ultrass\u00f4nico<\/strong><\/p>\n\n\n\n

O princ\u00edpio do teste ultrass\u00f4nico \u00e9 medir a espessura da parede do tubo por meio da reflex\u00e3o do pulso ultrass\u00f4nico. Durante o teste, a sonda enviar\u00e1 pulso ultrass\u00f4nico para a parede. Em seguida, ap\u00f3s a sonda receber o pulso de reflex\u00e3o da superf\u00edcie interna e da superf\u00edcie externa do tubo, a espessura da parede do tubo pode ent\u00e3o ser calculada.<\/p>\n\n\n\n

Teste de vazamento de fluxo magn\u00e9tico<\/strong><\/p>\n\n\n\n

O princ\u00edpio do teste de vazamento de fluxo magn\u00e9tico \u00e9 baseado na alta permeabilidade dos materiais ferromagn\u00e9ticos. Depois que os acess\u00f3rios de tubos de a\u00e7o inoxid\u00e1vel s\u00e3o corro\u00eddos, a permeabilidade na parte corrosiva ser\u00e1 muito menor do que nas outras partes. E depois de os acess\u00f3rios de tubos serem magnetizados:<\/p>\n\n\n\n

As linhas magn\u00e9ticas ser\u00e3o uniformes se n\u00e3o houver defeitos dentro das conex\u00f5es dos tubos;<\/p>\n\n\n\n

As linhas magn\u00e9ticas se dobrar\u00e3o e ultrapassar\u00e3o a superf\u00edcie do tubo se houver defeitos dentro das conex\u00f5es do tubo.<\/p>\n\n\n\n

O defeito pode ser determinado detectando o vazamento de fluxo da superf\u00edcie magnetizada.<\/p>","protected":false},"featured_media":6703,"template":"","categories":[186],"tags":[],"class_list":["post-6702","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"\nHow to Test if There is Internal Corrosion of Stainless Steel Pipe Fittings<\/title>\n<meta name=\"description\" content=\"For all kinds of stainless steel pipe fittings, internal corrosion (corrosion inside the pipe fittings) is a very common phenomenon.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/pt\/blog\/como-testar-se-ha-corrosao-interna-em-acessorios-para-tubos-de-aco-inoxidavel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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